Best Buy: Unit Rates

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something (e.g., miles per hour, price per item).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the unit price of an item?

Back

To calculate the unit price, divide the total price by the number of units (e.g., total cost / number of items).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the significance of comparing unit rates?

Back

Comparing unit rates helps determine the better deal among different pricing options, allowing consumers to make informed purchasing decisions.

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CCSS.6.RP.A.3B

Front

If a product costs $20 for 4 items, what is the unit price?

Back

The unit price is $5 per item ($20 / 4 items).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you determine which deal is better when given multiple options?

Back

Calculate the unit price for each option and compare them; the option with the lower unit price is the better deal.

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CCSS.6.RP.A.3B

Front

What is the unit rate of 120 chairs to 30 tables?

Back

The unit rate is 4:1, meaning there are 4 chairs for every 1 table.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a store sells 15 oz of cereal for $5.85, what is the price per ounce?

Back

The price per ounce is $0.39 (calculated as $5.85 / 15 oz).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the best way to compare prices of different quantities?

Back

Convert all prices to a common unit (e.g., price per ounce, price per meter) to make comparisons easier.

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CCSS.6.RP.A.3B

Front

Why is it important to understand unit rates in everyday shopping?

Back

Understanding unit rates helps consumers save money by identifying the best value for their purchases.

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CCSS.6.RP.A.3B

Front

What is the unit price of $52.16 for 8 dozen oranges?

Back

The unit price is $6.52 per dozen ($52.16 / 8 dozen).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2